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Disclosery

Hudson Bay Capital Management LP: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Hudson Bay Capital Management LP on BSX, newest first. How the timeline and the estimate are built.

Hudson Bay Capital Management LP held 742,896 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 742,896 shares
    Change vs previous 13F +258,896 shares

    0.15% of the 13F portfolio, value $31,706,802.

    13F-HR 0001393825-26-000058 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 484,000 shares
    Change vs previous 13F 0 shares

    0.18% of the 13F portfolio, value $30,371,000.

    13F-HR 0001393825-26-000041 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 484,000 shares
    Change vs previous 13F -1,906 shares

    0.26% of the 13F portfolio, value $46,149,400.

    13F-HR 0001393825-26-000021 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F/A 485,906 shares
    Change vs previous 13F +1,906 shares

    0.29% of the 13F portfolio, value $47,439,003.

    13F-HR/A 0001393825-25-000093 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F/A 484,000 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $51,986,440.

    13F-HR/A 0001393825-25-000066 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).